Querying ELB V3 Load Balancers Supported by a Cluster
Function
Query the ELB V3 load balancers supported by a cluster.
Calling Method
For details, see Calling APIs.
URI
GET /v1.0/{project_id}/clusters/{cluster_id}/loadbalancers
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
project_id |
Yes |
String |
Definition: Project ID. For details about how to obtain the project ID and name, see Obtaining the Project ID and Name. Constraints: N/A Value range: Project ID of the account. Default value: N/A |
cluster_id |
Yes |
String |
Definition: ID of the cluster you want to query. For details about how to obtain the cluster ID, see Obtaining the Cluster ID. Constraints: N/A Value range: Cluster ID. Default value: N/A |
Request Parameters
None
Response Parameters
Status code: 200
Parameter |
Type |
Description |
---|---|---|
loadbalancers |
Array of LoadbalancersResource objects |
Parameter description: Load balancer list. |
Parameter |
Type |
Description |
---|---|---|
id |
String |
Parameter description: Specifies the load balancer ID. |
name |
String |
Parameter description: Load balancer name |
l7_flavor_id |
String |
Definition: Layer-7 protocol ID. |
ip_target_enable |
Boolean |
Parameter description: Indicates whether to enable the cross-VPC backend. |
Example Requests
Query ELB V3 load balancers supported by a cluster.
GET https://{Endpoint}/v1.0/{project_id}/clusters/4f3deec3-efa8-4598-bf91-560aad1377a3/loadbalancers
Example Responses
Status code: 200
Request succeeded.
{ "loadbalancers" : [ { "id" : "5d45faad-6cb3-479b-96b8-3e2de0cc6268", "name" : "elb-css", "l7_flavor_id" : "9c8c2425-e061-4bf8-ac65-cd1db92b18e1", "ip_target_enable" : true }, { "id" : "5d45faad-6cb3-479b-96b8-3e2de0cc6269", "name" : "elb-b832", "l7_flavor_id" : "9c8c2425-e061-4bf8-ac65-cd1db92b18e1", "ip_target_enable" : true } ] }
SDK Sample Code
The SDK sample code is as follows.
Java
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package com.huaweicloud.sdk.test; import com.huaweicloud.sdk.core.auth.ICredential; import com.huaweicloud.sdk.core.auth.BasicCredentials; import com.huaweicloud.sdk.core.exception.ConnectionException; import com.huaweicloud.sdk.core.exception.RequestTimeoutException; import com.huaweicloud.sdk.core.exception.ServiceResponseException; import com.huaweicloud.sdk.css.v1.region.CssRegion; import com.huaweicloud.sdk.css.v1.*; import com.huaweicloud.sdk.css.v1.model.*; public class ListElbsSolution { public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security. // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment String ak = System.getenv("CLOUD_SDK_AK"); String sk = System.getenv("CLOUD_SDK_SK"); String projectId = "{project_id}"; ICredential auth = new BasicCredentials() .withProjectId(projectId) .withAk(ak) .withSk(sk); CssClient client = CssClient.newBuilder() .withCredential(auth) .withRegion(CssRegion.valueOf("<YOUR REGION>")) .build(); ListElbsRequest request = new ListElbsRequest(); request.withClusterId("{cluster_id}"); try { ListElbsResponse response = client.listElbs(request); System.out.println(response.toString()); } catch (ConnectionException e) { e.printStackTrace(); } catch (RequestTimeoutException e) { e.printStackTrace(); } catch (ServiceResponseException e) { e.printStackTrace(); System.out.println(e.getHttpStatusCode()); System.out.println(e.getRequestId()); System.out.println(e.getErrorCode()); System.out.println(e.getErrorMsg()); } } } |
Python
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# coding: utf-8 import os from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkcss.v1.region.css_region import CssRegion from huaweicloudsdkcore.exceptions import exceptions from huaweicloudsdkcss.v1 import * if __name__ == "__main__": # The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security. # In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment ak = os.environ["CLOUD_SDK_AK"] sk = os.environ["CLOUD_SDK_SK"] projectId = "{project_id}" credentials = BasicCredentials(ak, sk, projectId) client = CssClient.new_builder() \ .with_credentials(credentials) \ .with_region(CssRegion.value_of("<YOUR REGION>")) \ .build() try: request = ListElbsRequest() request.cluster_id = "{cluster_id}" response = client.list_elbs(request) print(response) except exceptions.ClientRequestException as e: print(e.status_code) print(e.request_id) print(e.error_code) print(e.error_msg) |
Go
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package main import ( "fmt" "github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic" css "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/css/v1" "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/css/v1/model" region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/css/v1/region" ) func main() { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security. // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment ak := os.Getenv("CLOUD_SDK_AK") sk := os.Getenv("CLOUD_SDK_SK") projectId := "{project_id}" auth := basic.NewCredentialsBuilder(). WithAk(ak). WithSk(sk). WithProjectId(projectId). Build() client := css.NewCssClient( css.CssClientBuilder(). WithRegion(region.ValueOf("<YOUR REGION>")). WithCredential(auth). Build()) request := &model.ListElbsRequest{} request.ClusterId = "{cluster_id}" response, err := client.ListElbs(request) if err == nil { fmt.Printf("%+v\n", response) } else { fmt.Println(err) } } |
More
For SDK sample code of more programming languages, see the Sample Code tab in API Explorer. SDK sample code can be automatically generated.
Status Codes
Status Code |
Description |
---|---|
200 |
Request succeeded. |
400 |
Invalid request. Modify the request instead of retrying. |
409 |
The request cannot be processed due to a conflict. This status code indicates that the resource that the client attempts to create already exits, or the requested update failed due to a conflict. |
412 |
The server does not meet one of the requirements that the requester puts on the request. |
Error Codes
See Error Codes.
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